259395740 has 12 divisors (see below), whose sum is σ = 544731096. Its totient is φ = 103758288.

The previous prime is 259395709. The next prime is 259395743. The reversal of 259395740 is 47593952.

259395740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×259395740² = 134572299860295200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259395691 and 259395700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259395743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6484874 + ... + 6484913.

It is an arithmetic number, because the mean of its divisors is an integer number (45394258).

Almost surely, 2^259395740 is an apocalyptic number.

259395740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259395740 is an abundant number, since it is smaller than the sum of its proper divisors (285335356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259395740 is a wasteful number, since it uses less digits than its factorization.

259395740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12969796 (or 12969794 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 259395740 is about 16105.7672900114. The cubic root of 259395740 is about 637.7555986474.

The spelling of 259395740 in words is "two hundred fifty-nine million, three hundred ninety-five thousand, seven hundred forty".